Keyboard



FIG. 1 is a right, top perspective view of the keyboard, showing an example of the keyboard;

FIG. 2 is a left, top perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a front side view thereof.

The broken lines, depicting the rectangular bottom in FIG. 4, are for purposes of illustrating a portion of the keyboard that forms no part of the claimed design; All other broken lines are for environmental purposes that form no part thereof. 

CLAIM The ornamental design for a keyboard, as shown and described. 